Spectra 1728/EX & 1738/EX - 37 - Programming Guide
CONNECTING FIRE CIRCUITS, KEYSWITCHES AND PGMS
ALARM RELAY AND PGM CONN ECTIONS FOR 1738EX AND 1738
CONNECTING MORE THAN TWO KEYPADS
If there are more than 2 keypads connected to the control panel and at least one keypad zone is being used, connect as
shown and program as described in the Spectra Control Panels Reference & Installation manual .
When a 1641 LCD keypad is connected to Spe ctra, the Keyp ad Zo ne Sending option ( Option [2] key [1]) determi nes
whether the status of the keypad zone will be transmitted to the control panel. Refer to the 1641 Instal ler ’s Guide for
mo re i nfo. The Keypad Zone Sending option of the 1641 keypad must be enabled duri ng the follow ing condi tions:
• If you are using both keypad zones and at least one is from a 1641 keypad.
• If you are using the keypad zones of other types of keypads, such as a 1686H 10-zone LED keypad, and the keypad
zone definition of the 1641 keypad (keypad zone 1 or keypad zone 2; Option [2] key [3]) matches that of another
connected keypad.
Program the PGM with the
“[PG]/[FNC1] Key was
pressed” Activation Event
so that the smoke
detectors can be reset by
pressing the [PG] or
[FNC1] key. See Event
Group # 5 on page 7.
All 4-wire smoke
detectors must be
connected using the
daisy chain
configu ration
PGM2 can be used as a strobe output (see section [129] options [1]
to [3] on pa ge 10 ).
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